Finding the Fourth Proportional to 14,559.57, 21,843.98 and 5,199.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,559.57 : 21,843.98 = 5,199.39 : x
2. Step 2: Convert to fraction form
   14,559.57/21,843.98 = 5,199.39/x
3. Step 3: Cross multiply
   14,559.57x = 21,843.98 × 5,199.39
4. Step 4: Simplify right side
   14,559.57x = 113,575,371.17
5. Step 5: Solve for x
   x = 113,575,371.17/14,559.57
6. Step 6: Final answer
   x = 7,800.74